Fatal error: Uncaught Error: Class 'PhpSigep\DefaultStdClass' not found in C:\xampp\htdocs\ecommerce\php-sigep-master\src\PhpSigep\Config.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ecommerce\php-sigep-master\src\PhpSigep\Config.php on line 15